caleffi thermal relief valve Brennerschale or optionally

or optionally

you can choose between cast iron grey and black steel with various natural stone claddings

This makes installation and maintenance even easier

Thanks to the included seal kit

for pellets and temporary wood heating operation

caleffi thermal relief valve Brennerschale or optionallyThermal drain safety device " The thermal safety device protects your boiler from overheating in the event of a power or charging pump failure. A thermal safety device according to EN12828 prevents overheating of boilers fired with solid fuels in a water based circulating heating system. Services: Opening temperature: 972 C Operating temperature: 5 C 110 C Max. operating pressure: 10 bar Max. discharge capacity: 6. 5 m h at 6 bar Material, valve body: